How to improve CNC plasma cutting machine service life

Metal CNC plasma cutting machine has high cost performance, so many customers choose it, but later use cost is the most concerned problem for every enterprise. I will introduce how to improve the plasma cutting machine service life from a reasonable setting, to ensure the correct pressure and flow of plasma, to start cutting from the edge, not to use the nozzle, to use softened water into the cutting torch, to check air and cooling flow every day, to ensure the correct air pressure and flow of plasma. Use life.

1. The setting of reasonable cutting distance for CNC plasma cutting machine.

According to the requirements of the instructions, set a reasonable cut distance, the distance is the distance between the cutting nozzle and the surface of the workpiece. When the perforation is perforated, the maximum distance of the normal cutting distance is 2 times as long as possible or the maximum height can be transmitted by the plasma arc.

2. Ensure the correct pressure and flow of CNC plasma cutting machine.

The correct pressure and flow of plasma are very important for the service life of consumable parts. If the air pressure is too high, the life of the CNC cutting machine pole will be greatly reduced, and the life of the nozzles will be affected if the air pressure is too low.

3, CNC plasma cutting machine should start cutting from the edge.

Cut from edge as far as possible without perforation. Using the edge as the starting point will prolong the life of the consumable parts. The correct method is to direct the nozzle directly to the edge of the workpiece and then start the plasma arc.

4. Numerical control plasma cutting machine nozzles should not be overloaded.

The overload of the nozzles of the NC cutting machine (that is, the working current exceeding the nozzle) will cause the nozzle to be damaged very quickly. The current intensity should be 95% of the working current of the nozzles. For example, the current intensity of the nozzle of 100A should be set to 95A.

5. Injecting the cutting torch with softened water

Hard water causes precipitation of metallic impurities on the nozzle ring, which will affect the airflow of the CNC cutting machine, reduce the quality of the cutting torch and shorten the service life of the expendable parts.

6. Check the flow and cooling flow of CNC plasma cutting machine every day.

One of the most common reasons for the damage of the cutting torch is the lack of cooling flow. It is necessary to check the air and pressure of the cutting torch (such as air cooling) or the coolant (such as water cooling). If the air flow is not found enough or leaked, the failure should be stopped immediately.

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